【9.4】socket模拟http请求

#!/usr/bin/env python
# -*- coding:utf-8 -*-

# requests -> urllib -> socket
import socket
from urllib.parse import urlparse


def get_url(url):
    # 通过socket请求html
    url = urlparse(url)
    host = url.netloc
    path = url.path
    if path == '':
        path = '/'

    # 建立连接
    client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    client.connect((host, 80))

    client.send("GET {} HTTP/1.1
Host:{}
Connection:close

".format(path, host).encode('utf-8'))

    data = b""
    while True:
        d = client.recv(1024)
        if d:
            data += d
        else:
            break

    data = data.decode('utf-8')
    html_data = data.split('

')[1]
    print(data)
    print(html_data)
    client.close()


if __name__ == '__main__':
    get_url('http://www.baidu.com')